module-tag.py

   1 #!/usr/bin/python -u
   2
   3 subversion_id = "$Id$"
   4
   5 import sys, os, os.path
   6 import re
   7 import time
   8 from glob import glob
   9 from optparse import OptionParser
  10
  11 def prompt (question,default=True):
  12     if default:
  13         question += " [y]/n ? "
  14     else:
  15         question += " y/[n] ? "
  16     try:
  17         answer=raw_input(question)
  18         if not answer:
  19             return default
  20         elif answer[0] in [ 'y','Y']:
  21             return True
  22         elif answer[0] in [ 'n','N']:
  23             return False
  24         else:
  25             return prompt(question,default)
  26     except KeyboardInterrupt:
  27         print "Aborted"
  28         return False
  29     except:
  30         raise
  31
  32 class Command:
  33     def __init__ (self,command,options):
  34         self.command=command
  35         self.options=options
  36         self.tmp="/tmp/command-%d"%os.getpid()
  37
  38     def run (self):
  39         if self.options.verbose:
  40             print '+',self.command
  41             sys.stdout.flush()
  42         return os.system(self.command)
  43
  44     def run_silent (self):
  45         if self.options.verbose:
  46             print '+',self.command,' .. ',
  47             sys.stdout.flush()
  48         retcod=os.system(self.command + " &> " + self.tmp)
  49         if retcod != 0:
  50             print "FAILED ! -- output quoted below "
  51             os.system("cat " + self.tmp)
  52             print "FAILED ! -- end of quoted output"
  53         elif self.options.verbose:
  54             print "OK"
  55         os.unlink(self.tmp)
  56         return retcod
  57
  58     def run_fatal(self):
  59         if self.run_silent() !=0:
  60             raise Exception,"Command %s failed"%self.command
  61
  62     # returns stdout, like bash's $(mycommand)
  63     def output_of (self,with_stderr=False):
  64         tmp="/tmp/status-%d"%os.getpid()
  65         if self.options.debug:
  66             print '+',self.command,' .. ',
  67             sys.stdout.flush()
  68         command=self.command
  69         if with_stderr:
  70             command += " &> "
  71         else:
  72             command += " > "
  73         command += tmp
  74         os.system(command)
  75         result=file(tmp).read()
  76         os.unlink(tmp)
  77         if self.options.debug:
  78             print 'Done',
  79         return result
  80
  81 class Svnpath:
  82     def __init__(self,path,options):
  83         self.path=path
  84         self.options=options
  85
  86     def url_exists (self):
  87         return os.system("svn list %s &> /dev/null"%self.path) == 0
  88
  89     def dir_needs_revert (self):
  90         command="svn status %s"%self.path
  91         return len(Command(command,self.options).output_of(True)) != 0
  92     # turns out it's the same implem.
  93     def file_needs_commit (self):
  94         command="svn status %s"%self.path
  95         return len(Command(command,self.options).output_of(True)) != 0
  96
  97 class Module:
  98
  99     svn_magic_line="--This line, and those below, will be ignored--"
 100
 101     redirectors=[ # ('module_name_varname','name'),
 102                   ('module_version_varname','version'),
 103                   ('module_taglevel_varname','taglevel'), ]
 104
 105     # where to store user's config
 106     config_storage="CONFIG"
 107     #
 108     config={}
 109
 110     import commands
 111     configKeys=[ ('svnpath',"Enter your toplevel svnpath",
 112                   "svn+ssh://%s@svn.planet-lab.org/svn/"%commands.getoutput("id -un")),
 113                  ("build", "Enter the name of your build module","build"),
 114                  ('username',"Enter your firstname and lastname for changelogs",""),
 115                  ("email","Enter your email address for changelogs",""),
 116                  ]
 117
 118     @staticmethod
 119     def prompt_config ():
 120         for (key,message,default) in Module.configKeys:
 121             Module.config[key]=""
 122             while not Module.config[key]:
 123                 Module.config[key]=raw_input("%s [%s] : "%(message,default)).strip() or default
 124
 125
 126     # for parsing module spec name:branch
 127     matcher_branch_spec=re.compile("\A(?P<name>[\w-]+):(?P<branch>[\w\.]+)\Z")
 128     matcher_rpm_define=re.compile("%(define|global)\s+(\S+)\s+(\S*)\s*")
 129
 130     def __init__ (self,module_spec,options):
 131         # parse module spec
 132         attempt=Module.matcher_branch_spec.match(module_spec)
 133         if attempt:
 134             self.name=attempt.group('name')
 135             self.branch=attempt.group('branch')
 136         else:
 137             self.name=module_spec
 138             self.branch=None
 139
 140         self.options=options
 141         self.moddir="%s/%s"%(options.workdir,self.name)
 142
 143     def friendly_name (self):
 144         if not self.branch:
 145             return self.name
 146         else:
 147             return "%s:%s"%(self.name,self.branch)
 148
 149     def edge_dir (self):
 150         if not self.branch:
 151             return "%s/trunk"%(self.moddir)
 152         else:
 153             return "%s/branches/%s"%(self.moddir,self.branch)
 154
 155     def tags_dir (self):
 156         return "%s/tags"%(self.moddir)
 157
 158     def run (self,command):
 159         return Command(command,self.options).run()
 160     def run_fatal (self,command):
 161         return Command(command,self.options).run_fatal()
 162     def run_prompt (self,message,command):
 163         if not self.options.verbose:
 164             question=message
 165         else:
 166             question="Want to run " + command
 167         if prompt(question,True):
 168             self.run(command)
 169
 170     @staticmethod
 171     def init_homedir (options):
 172         topdir=options.workdir
 173         if options.verbose:
 174             print 'Checking for',topdir
 175         storage="%s/%s"%(topdir,Module.config_storage)
 176         # sanity check. Either the topdir exists AND we have a config/storage
 177         # or topdir does not exist and we create it
 178         # to avoid people use their own daily svn repo
 179         if os.path.isdir(topdir) and not os.path.isfile(storage):
 180             print """The directory %s exists and has no CONFIG file
 181 If this is your regular working directory, please provide another one as the
 182 module-* commands need a fresh working dir. Make sure that you do not use
 183 that for other purposes than tagging"""%topdir
 184             sys.exit(1)
 185         if not os.path.isdir (topdir):
 186             print "Cannot find",topdir,"let's create it"
 187             Module.prompt_config()
 188             print "Checking ...",
 189             Command("svn co -N %s %s"%(Module.config['svnpath'],topdir),options).run_fatal()
 190             Command("svn co -N %s/%s %s/%s"%(Module.config['svnpath'],
 191                                              Module.config['build'],
 192                                              topdir,
 193                                              Module.config['build']),options).run_fatal()
 194             print "OK"
 195
 196             # store config
 197             f=file(storage,"w")
 198             for (key,message,default) in Module.configKeys:
 199                 f.write("%s=%s\n"%(key,Module.config[key]))
 200             f.close()
 201             if options.debug:
 202                 print 'Stored',storage
 203                 Command("cat %s"%storage,options).run()
 204         else:
 205             # read config
 206             f=open(storage)
 207             for line in f.readlines():
 208                 (key,value)=re.compile("^(.+)=(.+)$").match(line).groups()
 209                 Module.config[key]=value
 210             f.close()
 211         if options.verbose:
 212             print '******** Using config'
 213             for (key,message,default) in Module.configKeys:
 214                 print '\t',key,'=',Module.config[key]
 215
 216     def init_moddir (self):
 217         if self.options.verbose:
 218             print 'Checking for',self.moddir
 219         if not os.path.isdir (self.moddir):
 220             self.run_fatal("svn up -N %s"%self.moddir)
 221         if not os.path.isdir (self.moddir):
 222             print 'Cannot find %s - check module name'%self.moddir
 223             sys.exit(1)
 224
 225     def init_subdir (self,fullpath):
 226         if self.options.verbose:
 227             print 'Checking for',fullpath
 228         if not os.path.isdir (fullpath):
 229             self.run_fatal("svn up -N %s"%fullpath)
 230
 231     def revert_subdir (self,fullpath):
 232         if self.options.fast_checks:
 233             if self.options.verbose: print 'Skipping revert of %s'%fullpath
 234             return
 235         if self.options.verbose:
 236             print 'Checking whether',fullpath,'needs being reverted'
 237         if Svnpath(fullpath,self.options).dir_needs_revert():
 238             self.run_fatal("svn revert -R %s"%fullpath)
 239
 240     def update_subdir (self,fullpath):
 241         if self.options.fast_checks:
 242             if self.options.verbose: print 'Skipping update of %s'%fullpath
 243             return
 244         if self.options.verbose:
 245             print 'Updating',fullpath
 246         self.run_fatal("svn update -N %s"%fullpath)
 247
 248     def init_edge_dir (self):
 249         # if branch, edge_dir is two steps down
 250         if self.branch:
 251             self.init_subdir("%s/branches"%self.moddir)
 252         self.init_subdir(self.edge_dir())
 253
 254     def revert_edge_dir (self):
 255         self.revert_subdir(self.edge_dir())
 256
 257     def update_edge_dir (self):
 258         self.update_subdir(self.edge_dir())
 259
 260     def main_specname (self):
 261         attempt="%s/%s.spec"%(self.edge_dir(),self.name)
 262         if os.path.isfile (attempt):
 263             return attempt
 264         else:
 265             try:
 266                 return glob("%s/*.spec"%self.edge_dir())[0]
 267             except:
 268                 print 'Cannot guess specfile for module %s'%self.name
 269                 sys.exit(1)
 270
 271     def all_specnames (self):
 272         return glob("%s/*.spec"%self.edge_dir())
 273
 274     def parse_spec (self, specfile, varnames):
 275         if self.options.verbose:
 276             print 'Parsing',specfile,
 277             for var in varnames:
 278                 print "[%s]"%var,
 279             print ""
 280         result={}
 281         f=open(specfile)
 282         for line in f.readlines():
 283             attempt=Module.matcher_rpm_define.match(line)
 284             if attempt:
 285                 (define,var,value)=attempt.groups()
 286                 if var in varnames:
 287                     result[var]=value
 288         f.close()
 289         if self.options.debug:
 290             print 'found',len(result),'keys'
 291             for (k,v) in result.iteritems():
 292                 print k,'=',v
 293         return result
 294
 295     # stores in self.module_name_varname the rpm variable to be used for the module's name
 296     # and the list of these names in self.varnames
 297     def spec_dict (self):
 298         specfile=self.main_specname()
 299         redirector_keys = [ varname for (varname,default) in Module.redirectors]
 300         redirect_dict = self.parse_spec(specfile,redirector_keys)
 301         if self.options.debug:
 302             print '1st pass parsing done, redirect_dict=',redirect_dict
 303         varnames=[]
 304         for (varname,default) in Module.redirectors:
 305             if redirect_dict.has_key(varname):
 306                 setattr(self,varname,redirect_dict[varname])
 307                 varnames += [redirect_dict[varname]]
 308             else:
 309                 setattr(self,varname,default)
 310                 varnames += [ default ]
 311         self.varnames = varnames
 312         result = self.parse_spec (specfile,self.varnames)
 313         if self.options.debug:
 314             print '2st pass parsing done, varnames=',varnames,'result=',result
 315         return result
 316
 317     def patch_spec_var (self, patch_dict):
 318         for specfile in self.all_specnames():
 319             newspecfile=specfile+".new"
 320             if self.options.verbose:
 321                 print 'Patching',specfile,'for',patch_dict.keys()
 322             spec=open (specfile)
 323             new=open(newspecfile,"w")
 324
 325             for line in spec.readlines():
 326                 attempt=Module.matcher_rpm_define.match(line)
 327                 if attempt:
 328                     (define,var,value)=attempt.groups()
 329                     if var in patch_dict.keys():
 330                         new.write('%%%s %s %s\n'%(define,var,patch_dict[var]))
 331                         continue
 332                 new.write(line)
 333             spec.close()
 334             new.close()
 335             os.rename(newspecfile,specfile)
 336
 337     def unignored_lines (self, logfile):
 338         result=[]
 339         exclude="Tagging module %s"%self.name
 340         for logline in file(logfile).readlines():
 341             if logline.strip() == Module.svn_magic_line:
 342                 break
 343             if logline.find(exclude) < 0:
 344                 result += [ logline ]
 345         return result
 346
 347     def insert_changelog (self, logfile, oldtag, newtag):
 348         for specfile in self.all_specnames():
 349             newspecfile=specfile+".new"
 350             if self.options.verbose:
 351                 print 'Inserting changelog from %s into %s'%(logfile,specfile)
 352             spec=open (specfile)
 353             new=open(newspecfile,"w")
 354             for line in spec.readlines():
 355                 new.write(line)
 356                 if re.compile('%changelog').match(line):
 357                     dateformat="* %a %b %d %Y"
 358                     datepart=time.strftime(dateformat)
 359                     logpart="%s <%s> - %s %s"%(Module.config['username'],
 360                                                  Module.config['email'],
 361                                                  oldtag,newtag)
 362                     new.write(datepart+" "+logpart+"\n")
 363                     for logline in self.unignored_lines(logfile):
 364                         new.write("- " + logline)
 365                     new.write("\n")
 366             spec.close()
 367             new.close()
 368             os.rename(newspecfile,specfile)
 369
 370     def show_dict (self, spec_dict):
 371         if self.options.verbose:
 372             for (k,v) in spec_dict.iteritems():
 373                 print k,'=',v
 374
 375     def mod_url (self):
 376         return "%s/%s"%(Module.config['svnpath'],self.name)
 377
 378     def edge_url (self):
 379         if not self.branch:
 380             return "%s/trunk"%(self.mod_url())
 381         else:
 382             return "%s/branches/%s"%(self.mod_url(),self.branch)
 383
 384     def tag_name (self, spec_dict):
 385         try:
 386             return "%s-%s-%s"%(#spec_dict[self.module_name_varname],
 387                 self.name,
 388                 spec_dict[self.module_version_varname],
 389                 spec_dict[self.module_taglevel_varname])
 390         except KeyError,err:
 391             print 'Something is wrong with module %s, cannot determine %s - exiting'%(self.name,err)
 392             sys.exit(1)
 393
 394     def tag_url (self, spec_dict):
 395         return "%s/tags/%s"%(self.mod_url(),self.tag_name(spec_dict))
 396
 397     def check_svnpath_exists (self, url, message):
 398         if self.options.fast_checks:
 399             return
 400         if self.options.verbose:
 401             print 'Checking url (%s) %s'%(url,message),
 402         ok=Svnpath(url,self.options).url_exists()
 403         if ok:
 404             if self.options.verbose: print 'exists - OK'
 405         else:
 406             if self.options.verbose: print 'KO'
 407             print 'Could not find %s URL %s'%(message,url)
 408             sys.exit(1)
 409     def check_svnpath_not_exists (self, url, message):
 410         if self.options.fast_checks:
 411             return
 412         if self.options.verbose:
 413             print 'Checking url (%s) %s'%(url,message),
 414         ok=not Svnpath(url,self.options).url_exists()
 415         if ok:
 416             if self.options.verbose: print 'does not exist - OK'
 417         else:
 418             if self.options.verbose: print 'KO'
 419             print '%s URL %s already exists - exiting'%(message,url)
 420             sys.exit(1)
 421
 422     # locate specfile, parse it, check it and show values
 423 ##############################
 424     def do_version (self):
 425         self.init_moddir()
 426         self.init_edge_dir()
 427         self.revert_edge_dir()
 428         self.update_edge_dir()
 429         spec_dict = self.spec_dict()
 430         for varname in self.varnames:
 431             if not spec_dict.has_key(varname):
 432                 print 'Could not find %%define for %s'%varname
 433                 return
 434             else:
 435                 print varname+":",spec_dict[varname]
 436         print 'edge url',self.edge_url()
 437         print 'latest tag url',self.tag_url(spec_dict)
 438         if self.options.verbose:
 439             print 'main specfile:',self.main_specname()
 440             print 'specfiles:',self.all_specnames()
 441
 442     init_warning="""WARNING
 443 The module-init function has the following limitations
 444 * it does not handle changelogs
 445 * it does not scan the -tags*.mk files to adopt the new tags"""
 446 ##############################
 447     def do_init(self):
 448         if self.options.verbose:
 449             print Module.init_warning
 450             if not prompt('Want to proceed anyway'):
 451                 return
 452
 453         self.init_moddir()
 454         self.init_edge_dir()
 455         self.revert_edge_dir()
 456         self.update_edge_dir()
 457         spec_dict = self.spec_dict()
 458
 459         edge_url=self.edge_url()
 460         tag_name=self.tag_name(spec_dict)
 461         tag_url=self.tag_url(spec_dict)
 462         # check the tag does not exist yet
 463         self.check_svnpath_not_exists(tag_url,"new tag")
 464
 465         if self.options.message:
 466             svnopt='--message "%s"'%self.options.message
 467         else:
 468             svnopt='--editor-cmd=%s'%self.options.editor
 469         self.run_prompt("Create initial tag",
 470                         "svn copy %s %s %s"%(svnopt,edge_url,tag_url))
 471
 472 ##############################
 473     def do_diff (self):
 474         self.init_moddir()
 475         self.init_edge_dir()
 476         self.revert_edge_dir()
 477         self.update_edge_dir()
 478         spec_dict = self.spec_dict()
 479         self.show_dict(spec_dict)
 480
 481         edge_url=self.edge_url()
 482         tag_url=self.tag_url(spec_dict)
 483         self.check_svnpath_exists(edge_url,"edge track")
 484         self.check_svnpath_exists(tag_url,"latest tag")
 485         diff_output = Command("svn diff %s %s"%(tag_url,edge_url),self.options).output_of()
 486         if self.options.list:
 487             if diff_output:
 488                 print self.name
 489         else:
 490             if not self.options.only or diff_output:
 491                 print 'x'*30,'module',self.friendly_name()
 492                 print 'x'*20,'<',tag_url
 493                 print 'x'*20,'>',edge_url
 494                 print diff_output
 495
 496 ##############################
 497     def patch_tags_file (self, tagsfile, oldname, newname):
 498         newtagsfile=tagsfile+".new"
 499         if self.options.verbose:
 500             print 'Replacing %s into %s in %s'%(oldname,newname,tagsfile)
 501         tags=open (tagsfile)
 502         new=open(newtagsfile,"w")
 503         matcher=re.compile("^(.*)%s(.*)"%oldname)
 504         for line in tags.readlines():
 505             if not matcher.match(line):
 506                 new.write(line)
 507             else:
 508                 (begin,end)=matcher.match(line).groups()
 509                 new.write(begin+newname+end+"\n")
 510         tags.close()
 511         new.close()
 512         os.rename(newtagsfile,tagsfile)
 513
 514     def do_tag (self):
 515         self.init_moddir()
 516         self.init_edge_dir()
 517         self.revert_edge_dir()
 518         self.update_edge_dir()
 519         # parse specfile
 520         spec_dict = self.spec_dict()
 521         self.show_dict(spec_dict)
 522
 523         # side effects
 524         edge_url=self.edge_url()
 525         old_tag_name = self.tag_name(spec_dict)
 526         old_tag_url=self.tag_url(spec_dict)
 527         if (self.options.new_version):
 528             # new version set on command line
 529             spec_dict[self.module_version_varname] = self.options.new_version
 530             spec_dict[self.module_taglevel_varname] = 0
 531         else:
 532             # increment taglevel
 533             new_taglevel = str ( int (spec_dict[self.module_taglevel_varname]) + 1)
 534             spec_dict[self.module_taglevel_varname] = new_taglevel
 535
 536         # sanity check
 537         new_tag_name = self.tag_name(spec_dict)
 538         new_tag_url=self.tag_url(spec_dict)
 539         self.check_svnpath_exists (edge_url,"edge track")
 540         self.check_svnpath_exists (old_tag_url,"previous tag")
 541         self.check_svnpath_not_exists (new_tag_url,"new tag")
 542
 543         # checking for diffs
 544         diff_output=Command("svn diff %s %s"%(old_tag_url,edge_url),
 545                             self.options).output_of()
 546         if len(diff_output) == 0:
 547             if not prompt ("No difference in trunk for module %s, want to tag anyway"%self.name,False):
 548                 return
 549
 550         # side effect in trunk's specfile
 551         self.patch_spec_var(spec_dict)
 552
 553         # prepare changelog file
 554         # we use the standard subversion magic string (see svn_magic_line)
 555         # so we can provide useful information, such as version numbers and diff
 556         # in the same file
 557         changelog="/tmp/%s-%d.txt"%(self.name,os.getpid())
 558         file(changelog,"w").write("""Tagging module %s - %s
 559
 560 %s
 561 Please write a changelog for this new tag in the section above
 562 """%(self.name,new_tag_name,Module.svn_magic_line))
 563
 564         if not self.options.verbose or prompt('Want to see diffs while writing changelog',True):
 565             file(changelog,"a").write('DIFF=========\n' + diff_output)
 566
 567         if self.options.debug:
 568             prompt('Proceed ?')
 569
 570         # edit it
 571         self.run("%s %s"%(self.options.editor,changelog))
 572         # insert changelog in spec
 573         if self.options.changelog:
 574             self.insert_changelog (changelog,old_tag_name,new_tag_name)
 575
 576         ## update build
 577         try:
 578             buildname=Module.config['build']
 579         except:
 580             buildname="build"
 581         build = Module(buildname,self.options)
 582         build.init_moddir()
 583         build.init_edge_dir()
 584         build.revert_edge_dir()
 585         build.update_edge_dir()
 586
 587         for tagsfile in glob(build.edge_dir()+"/*-tags*.mk"):
 588             if prompt("Want to adopt new tag in %s"%tagsfile):
 589                 self.patch_tags_file(tagsfile,old_tag_name,new_tag_name)
 590
 591         paths=""
 592         paths += self.edge_dir() + " "
 593         paths += build.edge_dir() + " "
 594         self.run_prompt("Check","svn diff " + paths)
 595         self.run_prompt("Commit","svn commit --file %s %s"%(changelog,paths))
 596         self.run_prompt("Create tag","svn copy --file %s %s %s"%(changelog,edge_url,new_tag_url))
 597
 598         if self.options.debug:
 599             print 'Preserving',changelog
 600         else:
 601             os.unlink(changelog)
 602
 603 ##############################
 604     def do_branch (self):
 605
 606         print 'module-branch is experimental - exiting'
 607         sys.exit(1)
 608
 609         if self.branch:
 610             print 'Cannot create a branch from another branch - exiting'
 611             sys.exit(1)
 612         self.init_moddir()
 613
 614         # xxx - tmp
 615         import readline
 616         answer = raw_input ("enter tag name [trunk]").strip()
 617         if answer == "" or answer == "trunk":
 618             ref="/trunk"
 619             from_trunk=True
 620         else:
 621             ref="/tags/%s-%s"%(self.name,answer)
 622             from_trunk=False
 623
 624         ref_url = "%s/%s"%(self.mod_url(),ref)
 625         self.check_svnpath_exists (ref_url,"branch creation point")
 626         print "Using starting point %s"%ref_url
 627
 628         spec=self.main_specname()
 629         if not from_trunk:
 630             self.init_subdir(self.tags_dir())
 631             workdir="%s/%s"%(self.moddir,ref)
 632         else:
 633             workdir=self.edge_dir()
 634
 635         self.init_subdir(workdir)
 636         self.revert_subdir(workdir)
 637         self.update_subdir(workdir)
 638
 639         print 'got spec',spec
 640         if not os.path.isfile(spec):
 641             print 'cannot find spec'
 642
 643         # read version & taglevel from the origin specfile
 644         print 'parsing',spec
 645         origin=self.spec_dict()
 646         self.show_dict(origin)
 647
 648         default_branch=self.options.new_version
 649         if not default_branch:
 650 #            try:
 651                 match=re.compile("\A(?P<main>.*[\.-_])(?P<subid>[0-9]+)\Z").match(origin['version'])
 652                 new_subid=int(match.group('subid'))+1
 653                 default_branch="%s%d"%(match.group('main'),new_subid)
 654 #            except:
 655 #                default_branch="not found"
 656         new_branch_name=raw_input("Enter branch name [%s] "%default_branch) or default_branch
 657
 658         new_branch_url="%s/branches/%s"%(self.mod_url(),new_branch_name)
 659         self.check_svnpath_not_exists(new_branch_url,"new branch")
 660         print new_branch_name
 661
 662
 663 ##############################
 664 usage="""Usage: %prog options module_desc [ .. module_desc ]
 665 Purpose:
 666   manage subversion tags and specfile
 667   requires the specfile to define *version* and *taglevel*
 668   OR alternatively
 669   redirection variables module_version_varname / module_taglevel_varname
 670 Trunk:
 671   by default, the trunk of modules is taken into account
 672   in this case, just mention the module name as <module_desc>
 673 Branches:
 674   if you wish to work on a branch rather than on the trunk,
 675   you can use the following syntax for <module_desc>
 676   Mom:2.1
 677       works on Mom/branches/2.1
 678 """
 679 # unsupported yet
 680 #"""
 681 #  branch:Mom
 682 #      the branch_id is deduced from the current *version* in the trunk's specfile
 683 #      e.g. if Mom/trunk/Mom.spec specifies %define version 2.3, then this script
 684 #      would use Mom/branches/2.2
 685 #      if if stated %define version 3.0, then the script fails
 686 #"""
 687
 688 functions={
 689     'diff' : "show difference between trunk and latest tag",
 690     'tag'  : """increment taglevel in specfile, insert changelog in specfile,
 691                 create new tag and and adopt it in build/*-tags*.mk""",
 692     'init' : "create initial tag",
 693     'version' : "only check specfile and print out details",
 694     'branch' : """create a branch for this module.
 695                 either from trunk, or from a tag""",
 696 }
 697
 698 def main():
 699
 700     mode=None
 701     for function in functions.keys():
 702         if sys.argv[0].find(function) >= 0:
 703             mode = function
 704             break
 705     if not mode:
 706         print "Unsupported command",sys.argv[0]
 707         sys.exit(1)
 708
 709     global usage
 710     usage += "module-%s.py : %s"%(mode,functions[mode])
 711     all_modules=os.path.dirname(sys.argv[0])+"/modules.list"
 712
 713     parser=OptionParser(usage=usage,version=subversion_id)
 714     parser.add_option("-a","--all",action="store_true",dest="all_modules",default=False,
 715                       help="run on all modules as found in %s"%all_modules)
 716     parser.add_option("-f","--fast-checks",action="store_true",dest="fast_checks",default=False,
 717                       help="skip safety checks, such as svn updates -- use with care")
 718     if mode == "tag" or mode == 'branch':
 719         parser.add_option("-s","--set-version",action="store",dest="new_version",default=None,
 720                           help="set new version and reset taglevel to 0")
 721     if mode == "tag" :
 722         parser.add_option("-c","--no-changelog", action="store_false", dest="changelog", default=True,
 723                           help="do not update changelog section in specfile when tagging")
 724     if mode == "tag" or mode == "init" :
 725         parser.add_option("-e","--editor", action="store", dest="editor", default="emacs",
 726                           help="specify editor")
 727     if mode == "init" :
 728         parser.add_option("-m","--message", action="store", dest="message", default=None,
 729                           help="specify log message")
 730     if mode == "diff" :
 731         parser.add_option("-o","--only", action="store_true", dest="only", default=False,
 732                           help="report diff only for modules that exhibit differences")
 733     if mode == "diff" :
 734         parser.add_option("-l","--list", action="store_true", dest="list", default=False,
 735                           help="just list modules that exhibit differences")
 736     parser.add_option("-w","--workdir", action="store", dest="workdir",
 737                       default="%s/%s"%(os.getenv("HOME"),"modules"),
 738                       help="""name for dedicated working dir - defaults to ~/modules
 739 ** THIS MUST NOT ** be your usual working directory""")
 740     parser.add_option("-v","--verbose", action="store_true", dest="verbose", default=True,
 741                       help="run in verbose mode")
 742     parser.add_option("-q","--quiet", action="store_false", dest="verbose",
 743                       help="run in quiet (non-verbose) mode")
 744     parser.add_option("-d","--debug", action="store_true", dest="debug", default=False,
 745                       help="debug mode - mostly more verbose")
 746     (options, args) = parser.parse_args()
 747
 748     if len(args) == 0:
 749         if options.all_modules:
 750             args=Command("grep -v '#' %s"%all_modules,options).output_of().split()
 751         else:
 752             parser.print_help()
 753             sys.exit(1)
 754     Module.init_homedir(options)
 755     for modname in args:
 756         module=Module(modname,options)
 757         print '========================================',module.friendly_name()
 758         # call the method called do_<mode>
 759         method=Module.__dict__["do_%s"%mode]
 760         method(module)
 761
 762 # basically, we exit if anything goes wrong
 763 if __name__ == "__main__" :
 764     main()